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Article Navigation >  Journal of Traffic and Transportation Engineering  > 2012  >  12(2): 46-52
CHEN Shi-an, WANG Yong-gang, WANG Dong, HE Ren, LIU Hong-guang. Energy availability of active suspension without external energy supply[J]. Journal of Traffic and Transportation Engineering, 2012, 12(2): 46-52. doi: 10.19818/j.cnki.1671-1637.2012.02.007
Citation: CHEN Shi-an, WANG Yong-gang, WANG Dong, HE Ren, LIU Hong-guang. Energy availability of active suspension without external energy supply[J]. Journal of Traffic and Transportation Engineering, 2012, 12(2): 46-52. doi: 10.19818/j.cnki.1671-1637.2012.02.007
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Energy availability of active suspension without external energy supply

doi: 10.19818/j.cnki.1671-1637.2012.02.007

  • School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China

Funds:

National Natural Science Foundation of China 50805066

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  • Author Bio:

    CHEN Shi-an(1973-), Male, Jingzhou, Hubei, Associate Professor of Jiangsu University, PhD, Researchon Automotive Technology of Vibration Analysis and Control, Energy Conservation and Active Safety, +86-511-88791872, chenshian73@ujs.edu.cn

  • Received Date: 2011-12-22
  • Publish Date: 2012-04-25
    Abstract
  • The absolute ratio of mean power reclaimed in the semi-active control mode divided by the value consumed in the active control mode was proposed as the evaluating index of energy availability for active suspension without external energy supply(ASWEES).The performance and energy availability of ASWEES were analyzed based on optimized PID and LQG controllers, which were designed for a quarter-heavy-vehicle ASWEES.When the damping ratio was 0.1, PID control parameters were optimized by using the genetic algorithm with suspension quadratic performance index taken as the objective function.It is pointed that the suspension quadratic performance index of ASWEES based on optimized PID control is 3.32% bigger than the index based on LQG control, and their energy availability indexes are 17.15 and 226.33 respectively.The result indicates that the performance of ASWEES based on LQG control is weakly better, two ASWEESs meet the demand of energy availability, and the energy availability of ASWEES based on LQG control is strongly better.

     

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